Taizeni is a small village in southern part of Afghanistan in the Helmand province. The place was emphasized in the news after Afghan Taliban commander and Amir al-Mu'minin, Mullah Mohammed Omar died in the village (according to social media accounts of Taliban).
Social Media Hashtag
Taliban used Social media hashtags on Twitter and Facebook whilst confirming death of their leader.
References
Taizeni Wikipedia(Text) CC BY-SA